<template>
    <view v-if="goods_info.goods_name" class="goods-detail-container">

        <!-- 轮播图区域  -->
        <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
            <swiper-item v-for="(item, i) in goods_info.pics || []" :key="i">
                <image :src="item.pics_big" class="swiper-image" @click="preview(i)"></image>
            </swiper-item>
        </swiper>


        <!-- 商品信息区域 -->
        <view class="goods-info-box">
            <!-- 商品价格 -->
            <view class="price">￥{{ goods_info.goods_price}}</view>
            <!-- 商品身体部分 -->
            <view class="goods-info-body">
                <!-- 商品名字 -->
                <view class="name">{{ goods_info.goods_name}}</view>
                <!-- 收藏 -->
                <view class="favi">
                    <uni-icons type="star" size="30"></uni-icons>
                    <text>收藏</text>
                </view>
            </view>
            <!-- 运费 -->
            <view class="yf">快递：免运费 </view>
        </view>
        <!-- 接口中其他的图文数据 -->
        <rich-text :nodes="goods_info.goods_introduce"></rich-text>

        <!-- 商品导航组件区域 -->
        <view class="goods_nav">
            <uni-goods-nav :fill="true" :options="options" :buttonGroup="buttonGroup" @click="onClick"
                @buttonClick="buttonClick" />
        </view>
    </view>
</template>

<script>
    import {
        mapState,
        mapMutations,
        mapGetters
    } from 'vuex'
    export default {
        computed: {
            ...mapState('m_cart', ['cart']),
            ...mapGetters('m_cart', ['total'])
        },
        data() {
            return {
                goods_info: {},
                // 左侧按钮组的配置对象
                options: [{
                    icon: 'shop',
                    text: '店铺'
                }, {
                    icon: 'cart',
                    text: '购物车',
                    info: 0
                }],
                // 右侧按钮组的配置对象
                buttonGroup: [{
                        text: '加入购物车',
                        backgroundColor: '#ff0000',
                        color: '#fff'
                    },
                    {
                        text: '立即购买',
                        backgroundColor: '#ffa200',
                        color: '#fff'
                    }
                ]
            };
        },
        onLoad(options) {
            const goods_id = options.goods_id
            this.getDetailList(goods_id)
        },
        methods: {
            ...mapMutations('m_cart', ['addToCart']),
            async getDetailList(goods_id) {
                // 直接发送请求并获取响应
                const {
                    data: res
                } = await uni.$http.get('/api/public/v1/goods/detail', {
                    goods_id
                });
                if (res.meta.status !== 200) return uni.$showMsg()
                // console.log(res);

                // 安全处理图文数据，确保goods_introduce存在才进行处理
                if (res.message.goods_introduce) {
                    res.message.goods_introduce = res.message.goods_introduce
                        .replace(/<img /g, '<img style="display:block;"')
                        .replace(/webp/g, 'jpg')
                        .replace(/http:/g, 'https:'); // 只转换协议，不改变图片格式
                }

                this.goods_info = res.message || {};

                // 转换图片链接协议，将HTTP改为HTTPS
                if (this.goods_info.pics && Array.isArray(this.goods_info.pics)) {
                    this.goods_info.pics = this.goods_info.pics.map(item => {
                        if (item && item.pics_big && item.pics_big.startsWith('http://')) {
                            return {
                                ...item,
                                pics_big: item.pics_big.replace('http://', 'https://')
                            };
                        }
                        return item;
                    });
                }
            },
            preview(i) {
                // 预览图片
                uni.previewImage({
                    current: i,
                    urls: this.goods_info.pics.map(item => item.pics_big)
                })
            },
            // 左侧按钮点击事件
            onClick(e) {
                console.log('左侧按钮点击:', e);
                if (e.content && e.content.text === '购物车') {
                    uni.switchTab({
                        url: '/pages/cart/cart'
                    });
                }
            },
            // 右侧按钮点击事件
            buttonClick(e) {
                // console.log('右侧按钮点击:', e);
                if (e.content.text === '加入购物车') {
                    // 组织商品的信息对象
                    // { goods_id, goods_name, goods_price, goods_count, goods_small_logo, goods_state }
                    const goods = {
                        goods_id: this.goods_info.goods_id,
                        goods_name: this.goods_info.goods_name,
                        goods_price: this.goods_info.goods_price,
                        goods_count: 1,
                        goods_small_logo: this.goods_info.goods_small_logo,
                        goods_state: true
                    }
                    // console.log('准备添加的商品:', goods);
                    // 调用加入购物车的方法
                    this.addToCart(goods);
                    // console.log('调用addToCart后，购物车总数:', this.total);
                }
            }
        },
        // 定义监听器
        watch: {
            total: {
                handler(newVal) {
                    const findResult = this.options.find(x => x.text === '购物车')
                    if(findResult){
                        findResult.info = newVal
                    }
                },
                // 加载开启立即执行
                immediate: true
            }
        }
    }
</script>

<style lang="scss">
    swiper {
        height: 650rpx;

        .swiper-image {
            height: 100%;
            width: 100%;
        }
    }

    .goods-info-box {
        .price {
            color: #c00000;
            font-size: 18px;
            margin: 10px 0;
        }

        .goods-info-body {
            display: flex;
            justify-content: space-between;

            .name {
                font-size: 13px;
                padding-right: 10px;
                // 严格限制2行显示并省略多余内容
                overflow: hidden;
                text-overflow: ellipsis;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-line-clamp: 2;
                /* 重复设置以确保兼容性 */
                -webkit-box-orient: vertical;
                -moz-box-orient: vertical;
                box-orient: vertical;
                line-height: 1.4;
                max-height: calc(2 * 1.4em);
                /* 严格限制高度为2行 */
                min-height: calc(2 * 1.4em);
                /* 保持固定高度 */
            }

            .favi {
                // 收藏文字和图标上下对齐
                width: 120px;
                font-size: 12px;
                display: flex;
                flex-direction: column;
                justify-content: center;
                align-items: center;
                border-left: 1px solid #efefef;
                color: gray
            }
        }

        .yf {
            margin: 10px 0;
            font-size: 12px;
            color: gray;
        }
    }

    .goods_nav {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
    }

    .goods-detail-container {
        padding: 50px;
    }
</style>